polynia 
open or unfrozen (theoretical) sea at the north pole, ap- 
parently from the (erroneous) Idea that polynia Is con- 
nected with pole?. 
In such places as Rolxwn and 
Bellofs straits . . . potynuu or w 
on rare occasions throughout the winter. 
A'oi-rn, Voyage to the Polar Sea, I. 2S4. 
PolynoS tpo-lin'o-e), . [NL. (Savigny), < Gr. 
-n/ ><;, much, many, + venv, swim.] A genus of 
marine errant annelids of 
the family Apliroditidy: 
n name used in different 
.-uses, (o) Applied by Sa- 
vlgny and most authors to such 
species as the British P. ggua- 
ii'Hi'i an Inch or two long, with 
large orate and renlforrn cili- 
ated scales Imbricated in s dou- 
ble row of 12 along the whole 
length of the worm, and the 
body of equal width at both 
ends. This worm Is Aphro- 
dite lyuamata of I.himims, also 
known as Ispidinuitux mjuawa- 
rm. (6) After Oersted, 1842, 
applied to worms resembling 
( i, but with not leas than 70 
segments covered forward with 
small scales in pairs, naked be- 
hind, as P. Kuliipendrina of the 
British Islands. 
polynome (pori-nom), w. 
[= F.polynome= Pg.poly- 
nomo, u., polynomio, adj., 
= It. polinomio; < Gr. 
iroXi'f, inany.+ L. nomen, 
name.] A polynomial, 
polynomial (pol-i-uo'mi- 
al), a. and n. [< polynome 
+ -ial. Cf. binomial.' 
a. 1. Containing 
names or terms. 
zool. and hot., specifically 
noting a method of no 
4606 poly pharmacy 
(tar-), eye, < VOJT, see: seeonrtr.] Many-eyed; page plate, a stereotype-plate including the matter of 
having many eyes or eye-like organs. several pages. 
PolyommatuB '(pol-i-om'a-tus), n. [NL. (La- Polypantograph (pol-i-pan'to-graf), . [< Gr. 
treille), < Gr. 7ro/tw>^a-of,"many-eyed : see poly- """Ti many, + E. patttograpt.] A form of pau- 
initinitloiiji.'] 1 . In entom., a genus of butterflies tog? 11 b X which a number of identical designs 
of the family Lyrtpnidte, having many ocelli on may * produced simultaneously from a single 
the wings (whence the name). There are many Pattern. 
species, known as blues, as P. alerts, the com- Pplyparia (pol-i-pa'ri-a), n.; pl.polmariM (-). 
mon blue, and /'. argiolus, the azure blue. 2. P"*-! eee polynai-y."] The stock of the Aiitlio- 
A genus of worms. Qiiatrefages, 1850. :oa an< * related polyps; a polypary. 
polyonomous (pol-i-on'o-mus), a. Same as polyparian (pol-i-pa ri-an), o. [<polypar-y + 
polyoiiymons. -ian.J Of or pertaining to a polypary, 
oni/my. 
polyonym (pol 
A name consistingoi several (speciHcaUy, 
than three) terms; a polynomial name in zool- ^me as polylocous, 1. 
ogy: correlated with moHonym, dioitym, and tri- Polypary (pol'i-pa-ri), n.; pi. polyparies (-riz). 
onym. L< W* polyparium = F. poli/pier; < L. polypiix. 
a polyp : nee polyp and -ary.] The stock of the 
Antliozoa and related polyps; a polyp-stock, 
polypidom, or polyparia; the horny or chitinous 
outer covering or envelop with which many of 
the Hydrozoa are furnished. The term is also not 
uncommonly applied to the very similar structures 
polyonymal (pol-i-on'i-mal), a. [< polyonym 
+ -al.J Of or pertaining to a polyonym; poly- 
nomial. 
polyonymic (pol*i-o-nim'ik), a. [< polyonym-y 
+ -c.] Consisting of more than two terms, as 
a name in anatomy or zoology; 
polynomial. Buck's Handbook o, ' 
Vlfl. 516. 
polyonymist (pol-i-on'i-mist), n. 
+ -ist.J Same as polynomialist. 
polyonymous (pol-i-on'i-mus). a. 
uvv/iof, having many names, ( 
'lyonyrnal ; 
. Sciences, 
[< polyonym 
[< Gr. TTO>.V- 
f, many, + 
6i>vfut, name.] Having many names or titles ; 
many-titled. 
uncommonly applied 10 me very similar structures pro- 
duced by the Ptjlyzoa; but for these polyzoary is used by 
those who desire to keep polypary for the Actiiuxua and 
//i/i/ruzoa. The polypary-producing |iol) pldes are propa- 
gated by budding, and live together in groups or colonies 
so associated that each group forms a compound animal, 
whose united coverings form a compound pulypary or 
polypldom, which Is their common home, and Is at the 
same time the central stem or stock sustaining the whole. 
Every Individual polyp thus lives in its own proper cavity 
in the common polypary, from which it protrudes Its body 
and into which it retracts it at pleasure. Aliopolypiariwn. 
"*o-ni), w. A colony of 
aggregate polyp. 
[< polyp + 
to a polyp or 
Polyophthalmus (pol'Mrf-thal'mus), . [NL., ^jjf", 8 A polyp ; any polyp-like organism. 
< Gr. TO/I!*, many, + ofAuuor, eye.] A genus Polypedetes (pol'i-pe-de'tez), n. [NL., < Gr. 
of remarkable polycluetous annelids, having m /^any, 4- ^r, K , one fettered, a prison- 
a pair of visual organs on every somite of the e r.] The typical genus of the family Pol,/,,,'- 
, _,_. aja - l>oIy, Asides the usua cephalic eyes de/lVte , containing numerous species, chiefly 
: contrasted with binomial VfSP&ft, Polyopy (pol-i-o pi-a pol'i-o-pi), . Oriental, p. maeulaltu , fa , common Julian tree-toa.i. 
LiNU, <. Ur. ffo/.i'f, many, + u<l>, face.] The ap- p. cqtut is called the ipurred Ire eload. Also, erroneously 
pearauce as of two or more objects when there 
is but one ; multiple vision. 
menclature in which the 
technical names of species are not confined 
to two terms, the generic and the specific, as 
they are in the binomial system of nomencla- 
ture: as, a polynomial name ; a ]iolynomial sys- 
tem of nomenclature 
and moiionomial. 
Also multinomial, plnrinominal . 
Polynomial theorem, the theorem for raising a polyno- 
mial to any power. polyoptrum, polyoptron (pol-i-op'trum, -tron), 
ii. n. 1. A t shnical name consisting of n. ; pi. polyoptra (-trft). [= P. polyoptre = It. 
poliottro; < NL. polyoptrum, polyoptron, < Gr. 
many, + \So7r, see: see optic."] A glass 
more than two terms; a polyonym. 2. An al 
gebraical expression consisting of two or more 
terms united by addition : as, 
ax + by + cz exy fxz + i/y~. 
Also multinomial. 
Appell's polynomial, a form 
through which objects appear multiplied but |j? ve *?" refc ! Ted to " belong mostly to the Jlanula-. 
, 
ractice of using polynomials. 
Poiypedates, Polypcdvtt*. 
Polypedetidae (pol*i-pe-det'i-de), it.pl. [NL., 
< Polypedetes + -idle.] A family of anurous 
salient batrachians, typified by the genus Poly- 
pedetes, containing the so-called glandless tree- 
toads. It is an ill characterized group ; the species which 
been referred ' 
Unth'eoZfr'a^^ 
ry one of which becomes a plano-concave lens Iort i 1""*)> fern. pi. of "polujictahis : see nuli/- 
petaloug.~\ A division or group of dicotyledo- 
nous plants, characterized by distinct or sepa- 
rate petals, forming a circle inside the calyx, 
as in the single rose, or several circles, as in the 
water-lily, magnolia, and cactus. It Includes 8-2 
orders, classed In 15 cohorts, and grouped in the a series 
Thalamiflurir. Dixijlurx, and Calyciflurir, with the sta- 
-i*fc] In zool. and hot., one who uses 
polynomials, or a polynomial system of iiomen- 
dimiuished. 
plane, while 
cavities, evci. . 
through which an object appears diminished, 
polyopy, n. See polyopia. 
polyorama (pol"i-o-ra'ma), n. [= F. polyorama, 
''-, many, + !>i>aua t 
A view of many 
apparatus presenting 
many views. See panorama. 
(pol*i-6r-gan'ik), a. [< Gr. m&vf, 
several diversified or differentiated organs. 
See dicotyledon. Also calle ar 
polypetalous (pol-i-pet'a-lus), a. [= F. p\u- 
Atnt.ml* O_ .I.-_^J I_ " 1~ ... .1 V, 
f j - -*-"*j u^raLaiu< cij 01,^111 \JL UVUIQU" *. * i ft t ft ft ** f^ * f If 
clature. as the pre-Linnean writers usually did. J " 'J ?flif^l * * me g8 " e T" organ , v' oth- 1>et , ale = bp ' )"' l 'l >et " 10 = P 8- polypftalo = It. 
inlvmu>1* fiLL^'V1*-i r//_l-.i.-' en are P<*vorya>uc. Science, IX. 534. jtolinetalo : < NL. "tMlmetalux. < fir irn/iV m., v 
polynuclear (pol-i-nu'kle-iir), a. 
many, ' 
several 
Polyodon 
many, + ( 
a genus of selachostomous 
Lae6pede in 1798, the type c 
odontidx, having many teeth 
like masses during the youth of its members, 
these teeth being lost at maturity. P. spatula is 
an example. Also called Spatularia. See cuts 
under paddle-fish. 2. IncwM-A., a genus of pul- 
monate gastropods, lirsmarest. 
polyodont (pol'i-o-dont), a. and n. [< Gr. zoXi'f, 
many, + V>i? (Movr-) = E. tooth.'] I. a. Hav- 
ing many teeth ; multideiitate ; specifically, of 
or pertaining to the Polyodontidte. 
n. . In ichth., a member of the Polyodon- 
Mtte. 
Polyodontida (pol'i-o-don'ti-de), n. pi. [XL.. 
< Pnlyodoii(t-) + -idie.'] A family of selachos- 
tomous ganoid fishes, typified by the genus Po- 
lyodoii, including the paddle-fishes of the Mis- 
sinsij>pi basin and related forms of China and 
Japan. The body Is naked, or rough with minute stel- 
late ossifications; the snout Is niurli produced ; the very 
wide mouth contains many minute teeth, In youth at least 
the nostrils are double ; and the dorsal and am" " 
r the heterucercal nil. Also called .' 
jiolipetalo; < NL. 'polypetalun, < Gr.' Jro/rc, many, 
+ mfra/lov, leaf (NL. petal).] In bot., having 
two or more separate petals: as, a polypetalotix 
corolla. Also apopetalous, dialypttalonit, chori- 
petalous. See cut under corolla. 
poty- 
eat- 
s;t In ' 
or foot-like processes. Speclflcally-(at) An octopus, tis'polypliai/i/. 
or cight-reyed cephalopod : .an old usage, often In theform polyphagic (pol-i-faj'ik), a. [< polypliay-H + 
potypui, still found In pmdp orpoulpe. (6) Some isopod .iff Exhibitiim' or .!iRvi.teH.,I l,v ),,. 
crustacean, as a wood-louse, slater, sow-bug, or plll-buK laracterizeil by polyplia- 
o u n-.-_-J_ r->c., .i.. 1 L.J.. ' . .. "T'.V ' try- polyphugOUS. 
s fis'hes, named by Gr> m ^ ^> a P ol .vp, a polypus in the nose, polyphagia (pol-i-fa'ji-S), . [NL. : see ;; 
of the family Polu- P ro -P' ad J-' many-footed, < m/.tf, many, + iroi-f P''ffy-J 1- Iu med., excessive desire of 
h crowded in band- = E -//-] In zool., an animal with many feet mg; voracity. Duitytison. 2. In zool., si 
, , , 
(c) Since the middle of the eighteenth cen- 
form polyp; a ctciinpliiiran poti/p. In this sense the word is 
coextensive wlthCfantera,thungh not applicable to all the 
mi-Hi KITS thereof. See cuts under Plumalarui, Corynida, 
and <>l*lia. (i) A polyzoan or bryozoau; especial); 
food; almost pampbagous or omnivorous ; not 
monophagous. 
Its [a scale-Insect's) polypliagout habit, or the ease with 
auim-gate or colonial one, as a sea-mat!"uke or'iikenei to a whlcn ' " "ci'omniodates Itself to so great a variety of plan'ts. 
polyp in the preceding sense. (3) Some echinoderm, as a "' V - Ji ' U V' l '- ' s - E "''- B""-i No. 15, 1887, p. IS, 
Illy, stone-lily, crinold. or encrinlte. (t) Some othiT polyphaffy (lx">-lif'a-ji) M. f= F. imlitiilmitn < 
NL. polyphaaio, ( Gr. jro^vfayia, excess in eat- 
ing, < iro/t<^a)or, eating too much : s ;/y///i- 
gous.~\ The habit or practice of subsistini: on 
many different kinds of food; polyplin^Dus 
polypharmacy > i>l-i-fa>'um-si), . [ = F. />///- 
.....^.... iruiiinji-iio l/oiyj. nee jvnnei-itire . iilmi'iiiin-if. < tit. -n'/itj<iuuaitnc, having ID .1.. 
POlyommatOUSO- -i-om'a-tus),. KGr.T,,/,- polypage (pol'i-paj), a. [< Gr. W.V, many, + with nmnv ,lr,,t's, < -/,, .nanv. + 
6p/wT,; iuaiiy-i-y-d, < nXt{, many, + ou/ia (i//- K. y/i/->.] Containing several pages.- Poly- drii": 
ana] Bns are 
zoolds of a compound, colonial, or aggregate "polyp, the 
whole of which Is a polypidom or polypary, or a polyzoary ; 
a iHilypide or polypite, as of a hydrozoan, actlnozoan, or 
ian polyps*, the polyznans or hryoznans; the imiss-ani- 
imlcules.- Funnel-like polyps. see/uuiwtf-Utr. 
-". 1 Th- pivs.-ril, 
